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introduction：longmen qizhongji Gantry crane gantry crane A bridge type crane arranged on two legs to form a gantry shape。The crane operates on a ground track，It is mainly used in open storage yards、dock、Power station、Handling and installation operations are carried out at ports and railway freight stations。Lifting mechanism of gantry crane、Trolley running mechanism and bridge structure，It is basically the same as the bridge crane。Due to the large span，Crane operating mechanism mostly adopts separate driving mode，To prevent the crane from running sideways and increasing resistance，Even happen
2015-03-18 Reading quantity 2770
introduction： By pneumatic length sensor﹑indicator(table)﹑Length measuring tool consisting of air filter and regulator etc。Non-contact measurements can be made using a gas gauge﹐High measurement efficiency。The gas gauge is suitable for measurement in mass production﹑External dimension﹐It can also be used to measure hole spacing and shaft hole fit clearance。When measured with a pneumatic meter﹐It is necessary to match the corresponding probe according to the measured size(figure1 The probe of the gas gauge )。Pneumatic bore probe has simple structure﹐It is suitable for aperture measurement。It can measure the diameter to
2015-03-18 Reading quantity 2908
introduction： Plain bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]Configuration not only includesIKObearing[IKObearing:IKONeedle roller bearing with its special internal structure to achieve the mechanical design of small、Light weight。Guideway bearings are based on the high quality given by needle roller bearings，Precision machining with unique mechanical equipment，With the latest machines
2015-03-18 Reading quantity 1447
introduction： SolidWorks Toolbox Includes standard parts library，with SolidWorks Integrate into one。Select your standard and the type of part you want to insert，Then drag the parts into your assembly。You can customize SolidWorks Toolbox Parts library，Make it include your companys standards，Or include the parts you refer to most often。 Supported international standards include ANSI、BSI、CISC、DIN、ISO、and JIS。SolidWorks Toolbox The attached
2015-03-18 Reading quantity 2920
introduction：The polishing said in plastic mold processing is very different from the surface polishing required in other industries，Strictly speaking，The polishing of the mold should be called mirror processing。It has high requirements not only for the polishing itself but also for the surface flatness、Smoothness and geometric accuracy are also of high standards。Surface polishing generally requires only a bright surface。 The standard of mirror processing is divided into four levels：AO=Ra0.008μm，A1=Ra0.016μm，A3=Ra0.032μm，A4=Ra0.063μm，Due to electropolishing、Methods such as fluid polishing are difficult to accurately control zero
2015-03-18 Reading quantity 1532
introduction：The tight sleeve is an inner taper bore bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]An attachment to，It can ensure the stable operation of supporting bearings，Maximum life is a basic requirement，To achieve this goal，Tight set products must achieve high precision。Here are four techniques where precision matters most： 1、Tighten bushing outside cone inside
2015-03-18 Reading quantity 1546
introduction： Chinas explosion-proof electrical products and the international developed countries explosion-proof electrical products compared，There is still a big gap，But not the explosion-proof appliances used in factories，Has played a very large role in the development of our national economy，A big boost to oil、Chemical engineering、metallurgy、Light textile、The development of military and other industries。Especially in recent years，A large number of foreign advanced technology introduction，Further promote the technical progress of explosion-proof electrical products in our country。however，We must still see clearly，There are still many problems in the technology of explosion-proof electrical products in our country
2015-03-18 Reading quantity 2790
introduction：Synchronized by a pair of vane rotors in the pump chamber﹑A vacuum pump that pumps air by counterrotating push action to move gas。Its structure and working principle are similar to that of Roots blower﹐When working, the suction port is connected with the vacuum container or the main pump of the vacuum system。This vacuum pump is between the rotor and the rotor﹑There is no contact between the rotor and the pump housing﹐The gap is generally0.1～0.8millimeter﹔No need for oil lubrication。The rotor profile has a circular arc﹑Involute and cycloid, etc。Involute rotor pump has high volume utilization﹐Machining accuracy is easy to guarantee﹐Therefore, the rotor profile is mostly involute。Roots vacuum pump speed up to3450～410
2015-03-18 Reading quantity 2786
introduction：Applicable model： 1、 Multi-tool semi-automatic lathe： C720（1720），C20-1，C720F（116-2），CA9220。CA9220-1，C7620，C730（1730），C730-1，C7633，MP-26，1A730，HT-8， 2、 Copying lathe：CE7112，C720K（1722），CE7120，CE7132，CD7112，CH017，1712， 1731。 3、 Crankshaft and camshaft lathe： S1-
2015-03-18 Reading quantity 2868
introduction：1、For large reducer must be formulated and strictly implemented reducer repair procedures。 2、Check and repair regularly。The inspection was mainly conducted by loyal officials，Dont break things down easily，Arrange special personnel overhaul，Strict maintenance systems and procedures should be established，Make maintenance records。 3、It is necessary to strictly ensure the various performance indicators and special requirements of lubricating oil，Tests should be carried out during inspection，filtration， analyze，Evaluate the performance of lubricating oil。 4、When you need to change the parts，Accessories should be inspected in time，After confirming the qualification, assemble according to the original assembly requirements。 5、In the repair of the assembly，To be assembled and installed according to the original markings，And ensure parts between，
2015-03-18 Reading quantity 2814
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